Home / 53,720.45-80,580.66-16,784.45

Finding the Fourth Proportional to 53,720.45, 80,580.66 and 16,784.45

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Solution

The fourth proportional to 53,720.45, 80,580.66 and 16,784.45 is: 25,176.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,720.45 : 80,580.66 = 16,784.45 : x
  2. Step 2: Convert to fraction form
    53,720.45/80,580.66 = 16,784.45/x
  3. Step 3: Cross multiply
    53,720.45x = 80,580.66 × 16,784.45
  4. Step 4: Simplify right side
    53,720.45x = 1,352,501,655.83
  5. Step 5: Solve for x
    x = 1,352,501,655.83/53,720.45
  6. Step 6: Final answer
    x = 25,176.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.